The rabbits ate five sevenths of the kale crop in each of 3 gardens. What fraction of kale crop did they eat in all? eight sevenths

fifteen twenty ones

fifteen sevenths

eight tenths

If 3x+8=3x+8 is it one solution or no solution

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?

Which of the following parabolas opens down?